Dec 14 17:51:18.910 INFO testing syn-0.15.22 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 17:51:18.910 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 17:51:19.439 INFO [stdout] bf0e72de6fb1aab707ed1410f54fe5363e485d6420b0e13a910fe85e8a841d58
Dec 14 17:51:19.441 INFO running `"docker" "start" "-a" "bf0e72de6fb1aab707ed1410f54fe5363e485d6420b0e13a910fe85e8a841d58"`
Dec 14 17:51:20.998 INFO [stderr] usermod: no changes
Dec 14 17:51:21.075 INFO [stderr]    Compiling quote v0.6.10
Dec 14 17:51:22.025 INFO [stderr]    Compiling syn v0.15.22 (/source)
Dec 14 17:51:28.871 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.85s
Dec 14 17:51:28.875 INFO [stderr] su: No module specific data is present
Dec 14 17:51:29.360 INFO running `"docker" "inspect" "bf0e72de6fb1aab707ed1410f54fe5363e485d6420b0e13a910fe85e8a841d58"`
Dec 14 17:51:29.487 INFO running `"docker" "rm" "-f" "bf0e72de6fb1aab707ed1410f54fe5363e485d6420b0e13a910fe85e8a841d58"`
Dec 14 17:51:29.586 INFO [stdout] bf0e72de6fb1aab707ed1410f54fe5363e485d6420b0e13a910fe85e8a841d58
Dec 14 17:51:29.593 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 17:51:29.935 INFO [stdout] 9228c97d7e1502e8abb4b693e2d38e90d845f1c31ef353a30cbc181b2d3b70a4
Dec 14 17:51:29.940 INFO running `"docker" "start" "-a" "9228c97d7e1502e8abb4b693e2d38e90d845f1c31ef353a30cbc181b2d3b70a4"`
Dec 14 17:51:30.323 INFO [stderr] usermod: no changes
Dec 14 17:51:30.417 INFO [stderr]    Compiling syn v0.15.22 (/source)
Dec 14 17:51:33.920 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.57s
Dec 14 17:51:33.920 INFO [stderr] su: No module specific data is present
Dec 14 17:51:34.322 INFO running `"docker" "inspect" "9228c97d7e1502e8abb4b693e2d38e90d845f1c31ef353a30cbc181b2d3b70a4"`
Dec 14 17:51:34.387 INFO running `"docker" "rm" "-f" "9228c97d7e1502e8abb4b693e2d38e90d845f1c31ef353a30cbc181b2d3b70a4"`
Dec 14 17:51:34.484 INFO [stdout] 9228c97d7e1502e8abb4b693e2d38e90d845f1c31ef353a30cbc181b2d3b70a4